Digital twin presentation NExt generation high poWer fuel cells for airBORNe applications Jan Belak Matthieu Ponchant 02-08-2024 agenda What is NEWBORN about? Digital twin Modeling activities with Simcenter Amesim within NEWBORN Preliminary
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Digital twin presentation NExt generation high poWer fuel cells for airBORNe applications Jan Belak
Matthieu Ponchant 02-08-2024<br>
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agenda What is NEWBORN about?
Digital twin
Modeling activities with Simcenter Amesim within NEWBORN
Preliminary results
Conclusions & prospects<br>
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Ambition Aerospace-grade & modular hydrogen-electric propulsion demonstrator by 2026
System level LHV efficiency ≥50%
Aligned with HERA aircraft architecture (CS-25 class)
Applicable for the CS-23 class<br>
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Partners 13 partners work on 28 key enabling technologies<br>
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Digital twin First-principles dynamical modeling within Simcenter Amesim
Modular development from subsystems
to complete system integration
Real-time testing (HiL)
Virtual up- and downscaling of power levels (up to 3MW)<br>
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Fuel Cell stack Zero-dimension model based on electrochemical equations
Calibrated using multiple VI curves for different operating conditions
Sensitivity to pressure, temperature humidity and H2, O2 stoichiometry
System interfaces
Balance of Plant (Air and hydrogen lines)
Electric network and thermal management<br>
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Air supply Tasked to achieve correct
Pressure, Temperature and Flow rate
Humidity and water recovery
Architecture
Compressor and Turbo-compressor stages
Heat-exchangers
Water management system
Challenges: calibration, start-up, small volumes and control<br>
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Hydrogen supply line Liquid hydrogen management
Cryogenic tank
Evaporator and preheating to correct temperature
